NodeCore mod that adds contraptions
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local setmetatable, minetest, vector
= setmetatable, minetest, vector
-- Creates a vector using `get_position_from_hash` from the specified `hash`.
function vector.from_hash(hash)
return setmetatable(minetest.get_position_from_hash(hash), vector.metatable)
end
-- Returns the integer hash of this vector using `hash_node_position`.
function vector:hash()
return minetest.hash_node_position(self)
end
-- Returns vector components from the specified arguments.
-- * `(x, y, z)` returns `x, y, z`.
-- * `(number)` returns `n, n, n`.
-- * `(table)` returns `t.x, t.y, t.z`.
-- * `(array)` returns `t[1], t[2], t[3]`.
-- * Unexpected input returns undefined output.
function vector.get(x, y, z)
if z then return x, y, z end
if type(x) == "number" then return x, x, x end
if x.z then return x.x, x.y, x.z end
return x[1], x[2], x[3]
end